EP4114075A4 - Terminal, procédé de communication sans fil et station de base - Google Patents

Terminal, procédé de communication sans fil et station de base Download PDF

Info

Publication number
EP4114075A4
EP4114075A4 EP21760979.1A EP21760979A EP4114075A4 EP 4114075 A4 EP4114075 A4 EP 4114075A4 EP 21760979 A EP21760979 A EP 21760979A EP 4114075 A4 EP4114075 A4 EP 4114075A4
Authority
EP
European Patent Office
Prior art keywords
terminal
base station
wireless communication
communication method
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21760979.1A
Other languages
German (de)
English (en)
Other versions
EP4114075A1 (fr
Inventor
Yuki Matsumura
Satoshi Nagata
Jing Wang
Xiaolin Hou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of EP4114075A1 publication Critical patent/EP4114075A1/fr
Publication of EP4114075A4 publication Critical patent/EP4114075A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H04L5/0025—Spatial division following the spatial signature of the channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
EP21760979.1A 2020-02-26 2021-02-18 Terminal, procédé de communication sans fil et station de base Pending EP4114075A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020030454 2020-02-26
PCT/JP2021/006033 WO2021172149A1 (fr) 2020-02-26 2021-02-18 Terminal, procédé de communication sans fil et station de base

Publications (2)

Publication Number Publication Date
EP4114075A1 EP4114075A1 (fr) 2023-01-04
EP4114075A4 true EP4114075A4 (fr) 2024-04-10

Family

ID=77490937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21760979.1A Pending EP4114075A4 (fr) 2020-02-26 2021-02-18 Terminal, procédé de communication sans fil et station de base

Country Status (4)

Country Link
US (1) US20230095357A1 (fr)
EP (1) EP4114075A4 (fr)
CN (1) CN115176517A (fr)
WO (1) WO2021172149A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7053031B2 (ja) 2018-08-20 2022-04-12 株式会社アクセル 情報処理システム、情報処理装置、情報処理方法及び情報処理プログラム
US11166186B2 (en) * 2018-11-02 2021-11-02 Samsung Electronics Co., Ltd. Method and apparatus for channel and interference measurement and reporting
WO2021063168A1 (fr) * 2019-10-04 2021-04-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé et dispositif d'estimation de sinr
US12047987B2 (en) * 2020-02-14 2024-07-23 Qualcomm Incorporated Energy per resource element ratio for non-zero power channel state information reference signals

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer procedures for data (Release 15)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 38.214, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. V1.3.0, 15 December 2017 (2017-12-15), pages 1 - 71, XP051392005 *
INTEL CORPORATION: "Introduction of MIMO enhancements", vol. RAN WG1, no. Reno, USA; 20191118 - 20191122, 6 December 2019 (2019-12-06), XP051838225, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_99/Docs/R1-1913656.zip R1-1913656.docx> [retrieved on 20191206] *
See also references of WO2021172149A1 *

Also Published As

Publication number Publication date
JPWO2021172149A1 (fr) 2021-09-02
EP4114075A1 (fr) 2023-01-04
US20230095357A1 (en) 2023-03-30
WO2021172149A1 (fr) 2021-09-02
CN115176517A (zh) 2022-10-11

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Effective date: 20230509

A4 Supplementary search report drawn up and despatched

Effective date: 20240311

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 5/00 20060101ALI20240304BHEP

Ipc: H04W 88/02 20090101ALI20240304BHEP

Ipc: H04B 17/336 20150101ALI20240304BHEP

Ipc: H04B 17/24 20150101ALI20240304BHEP

Ipc: H04W 72/04 20090101ALI20240304BHEP

Ipc: H04W 24/10 20090101AFI20240304BHEP